catyears.java

import java.util.Scanner;

public class CatAgeCalculator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        System.out.println("What is your cat's name?");
        String catName = scanner.nextLine();
        
        System.out.println("What is your cat's age?");
        String catAgeInput = scanner.nextLine();
        int catAge = 0;
        try {
            catAge = Integer.parseInt(catAgeInput);
        } catch (NumberFormatException e) {
            catAge = 0;
        }

        if (catAge < 2) {
            System.out.println("Please set your cat to be more than 2.");
        }

        int earlyYears = 24;
        int laterYears = (catAge - 2) * 4;
        int humanYears = earlyYears + laterYears;

        System.out.println("Your cat " + catName + " is " + humanYears + " years old.");
        
        scanner.close();
    }
}